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公开(公告)号：US20240319085A1
公开(公告)日：2024-09-26
申请号：US18186962
申请日：2023-03-21
发明人： Naixiang WANG , Mengting WU , Yuelin WANG , Zhinan YU , Ming Leung Vincent TSE
IPC分类号： G01N21/3504 , H04N23/20
CPC分类号： G01N21/3504 , H04N23/20 , H04N23/56
摘要： The present invention provides a method and a system for remote imaging of explosive gases in an area. The method comprises: illuminating the area with a light source having a uniform light intensity distribution over an infrared wavelength range; acquiring images of the illuminated area with an image sensor through gas detection filters having bandpass central wavelength corresponding to absorption curves of target gases respectively; determining existence of the target gases based on the acquired images; predicting distribution of gas concertation for existing target gases respectively by using a non-linear prediction model; and constructing gas distribution images of the area based on the predicted distribution of gas concertation. The present invention can recognize different gases with overlapping absorption curves and provide more accurate prediction of gas concentrations.
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公开(公告)号：US20240303499A1
公开(公告)日：2024-09-12
申请号：US18179398
申请日：2023-03-07
发明人： Wai Kai Arvin TANG , Kai Kin CHAN
IPC分类号： G06N3/092
CPC分类号： G06N3/092
摘要： A method for optimizing a workflow-based neural network including an attention layer is provided. The method comprises: training the workflow-based neural network to predict a result from input elements under a prediction model with the attention layer assigning attention placements and weights, based on an original attention function, to the input elements; obtaining an original attention mask pattern and a proposed attention mask pattern; creating an attention mask updating function based on the original attention mask pattern and the proposed attention mask pattern; and combining the attention mask updating function with the original attention function to form an updated attention function.
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3.发明授权公开(公告)号：US12062169B2
公开(公告)日：2024-08-13
申请号：US17660422
申请日：2022-04-25
发明人： Xuejian He , Lu Wang , Ping Shun Leung
CPC分类号： G06T7/0012 , A61B1/000096 , A61B1/2736 , G06T1/20 , G06V10/40 , G06T2207/20081 , G06T2207/20084 , G06T2207/30092 , G06T2207/30096
摘要： A multi-functional, computer-aided gastroscopy system optimized with integrated AI solutions is disclosed. The system makes use of multiple deep-learning neural models to achieve low latency and high-performance requirements for multiple tasks. The optimization is made at three levels: architectural, modular and functional level. At architectural level, the models are designed in such a way that it is able to accomplish HP infection classification and detection of some lesions for one inference in order to reduce computation costs. At modular level, as a sub-model of HP infection classification, the site recognition model is optimized with temporal information. It not only improves the performance of HP infection classification, but also plays important roles for lesion detection and procedure status determination. At functional level, the inference latency is minimized by configuration and resource aware optimization. Also at functional level, the preprocessing is speeded up by image resizing parallelization and unified preprocessing.
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公开(公告)号：US11942942B1
公开(公告)日：2024-03-26
申请号：US18057316
申请日：2022-11-21
发明人： Chit Sang Chan , Wei Qian , Ziyang Gao
CPC分类号： H03K3/012 , H01L29/0607 , H01L29/1045 , H01L29/7826 , H03K3/356182
摘要： A level shifter circuit uses standard n-channel and p-channel transistors except for a pair of Lateral-Diffusion Metal-Oxide-Semiconductor (LDMOS) transistors that have an added lateral diffusion under the gate between the source and the conduction channel, increasing the breakdown voltage. The source of each LDMOS transistor connects to a drain of a transient differential transistor that has its gate driven by a oneshot that generates a pulse after an input transition. After the pulse ends a holding differential transistor draws a smaller bias current from the LDMOS transistors. The source of each LDMOS transistor connects to the drain and gate of a p-channel sensing transistor that drives gates of mirror transistors generating mirrored currents to cross-coupled n-channel mirror transistors that drive both terminals of a bistable latch that holds the output using a floating ground between driver transistors of a Buck converter switched by the bistable latch.
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公开(公告)号：US20240053140A1
公开(公告)日：2024-02-15
申请号：US17819340
申请日：2022-08-12
发明人： Jinbo JIANG , Steaphan Si Fan XIE , Yong CHI
CPC分类号： G01B11/25 , G02B27/0988 , G02B27/0955
摘要： A line-scanning three-dimensional sensing system measures a surface profile of an object. In the system, a dispersion optical module (DOM) performs a forward optical process of chromatically dispersing a polychromatic linear light beam into constituent narrowband linear light beams (CNLLBs) and focusing the CNLLBs on different focal planes to form a rainbow light pattern for illuminating a scanned surface of the object. The illuminated object displays an information-bearing color image (IBCI) containing height information of the scanned surface. The DOM captures the IBCI, and performs a backward optical process of optically condensing the captured IBCI to form an elongated light pattern. The backward optical process is an inverse of the forward one. A slit spatially filters the elongated light pattern to form an output light line. A height profile of the scanned surface is obtained by analyzing a spectral content at each point of the output light line.
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公开(公告)号：US11887271B2
公开(公告)日：2024-01-30
申请号：US17445402
申请日：2021-08-18
发明人： Xueyan Tang , Suk Ling Li
CPC分类号： G06T3/0068 , G06T7/337 , G06T19/20 , G06T2207/10028 , G06T2219/2004
摘要： Computer implemented methods and computerized apparatus are provided for global registration between a first point cloud and a second point cloud obtained by a scanning device on an identical spatial scene at two separate instances. The method comprises extracting a first set of discriminative line-pairs from the first point cloud and a second set of discriminative line-pairs from the second point cloud, wherein a discriminative line-pair is a line-pair having high discriminative power compared to a randomly selected line-pair. In some embodiments, then a plurality of matching line-pair groups between the two sets of discriminative line-pairs are identified in accordance with one thresholding criterion related to between-line relationship, line geometry and line location; and a compass angle criterion related to compass errors of the scanning device. The method further comprises finding most reliable correspondence between the two point clouds by voting and then computing a global transformation matrix. Finally, the global transformation matrix is used to align the two point clouds. Embodiments of the present invention provide an accurate and efficient registration especially for building construction applications.
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7.发明公开公开(公告)号：US20230342912A1
公开(公告)日：2023-10-26
申请号：US17660422
申请日：2022-04-25
发明人： Xuejian HE , Lu WANG , Ping Shun LEUNG
CPC分类号： G06T7/0012 , G06T1/20 , G06V10/40 , A61B1/000096 , A61B1/2736 , G06T2207/30092 , G06T2207/30096 , G06T2207/20084 , G06T2207/20081
摘要： A multi-functional, computer-aided gastroscopy system optimized with integrated AI solutions is disclosed. The system makes use of multiple deep-learning neural models to achieve low latency and high-performance requirements for multiple tasks. The optimization is made at three levels: architectural, modular and functional level. At architectural level, the models are designed in such a way that it is able to accomplish HP infection classification and detection of some lesions for one inference in order to reduce computation costs. At modular level, as a sub-model of HP infection classification, the site recognition model is optimized with temporal information. It not only improves the performance of HP infection classification, but also plays important roles for lesion detection and procedure status determination. At functional level, the inference latency is minimized by configuration and resource aware optimization. Also at functional level, the preprocessing is speeded up by image resizing parallelization and unified preprocessing.
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8.发明公开公开(公告)号：US20230244654A1
公开(公告)日：2023-08-03
申请号：US17588188
申请日：2022-01-28
发明人： Chan Fai LAM , Tin Lung WONG , Wei Lun Alan CHEUNG
CPC分类号： G06F16/2379 , G06F9/541
摘要： A computer-implement method for exchanging data between a blockchain system and a non-blockchain system is provided. The method includes: adding, by endorser nodes, periodically a plurality of status information of the endorser nodes to a smart contract of a blockchain ledger; receiving, by a first peer node, a transaction from an application; sending, by the first peer node, the received transaction to all endorser nodes; processing, by the endorser nodes, the transaction via the smart contract to obtain a plurality of endorsements; electing, by the endorser nodes, one of the endorser nodes as a target endorser node according to the status information of the endorser nodes; and transferring, by the target endorser node, the endorsed transaction to the non-blockchain system via an API corresponding to the non-blockchain system.
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公开(公告)号：US11644513B1
公开(公告)日：2023-05-09
申请号：US17570527
申请日：2022-01-07
发明人： Wenlong Ding , Meng Chen , Yaofeng Sun , Manxin Chen
IPC分类号： G01R31/389 , H02J7/00 , H02J7/34 , G01R31/392 , G01R31/367 , H02M3/04
CPC分类号： G01R31/389 , G01R31/367 , G01R31/392 , H02J7/005 , H02J7/0068 , H02J7/00711 , H02J7/345 , H02M3/04
摘要： A Battery Management System (BMS) inspects a battery pack using AC impedance. A controller on the BMS drives a Pulse-Width Modulation (PWM) output signal to an on-board excitation regulator such as a synchronous buck converter that modulates a limited energy unit such as a capacitor with a swept frequency of a PWM input signal. The capacitor modulations are applied to a terminal of the battery pack as an AC excitation signal. Synchronous sampling of the battery pack provides responses to the AC excitation signal. An AC excitation signal current and a battery response voltage are processed and Fourier-transformed to generate a Nyquist plot of the excitation-response data. Curve shifts can indicate worn battery cells. The capacitor generating the AC excitation signal draws little energy from the battery pack so AC impedance inspection can occur during all modes: charging, discharging, and idle modes without an external power supply.
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公开(公告)号：US20220285253A1
公开(公告)日：2022-09-08
申请号：US17190592
申请日：2021-03-03
发明人： Lourdito M. Olleres , Shi Wo CHOW
IPC分类号： H01L23/498 , H01L21/56 , H01L21/48 , H01L23/31
摘要： A module has electronic components mounted to a Printed Circuit Board (PCB) with multiple patterned conductive layers connecting to conductive slot metal around a conductive slot. A groove is cut through a top molding encapsulant above and into the conductive slot but does not cut through a bottom molding encapsulant. A terminal pin is inserted into the groove and pushed down into the conductive slot. When heated, embedded solder previously applied to the conductive slot metal flows between the end of the terminal pin and the conductive slot metal to form a solder bond. An end of the PCB past the conductive slot has no metal traces, preventing shorts. Epoxy can be placed into the groove around the terminal pin or a hole formed in the terminal pin to increase strength of the anchored terminal pin. The molding around the groove protects terminal pins from shorting from the side.
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